ARYL ALKYL CARBOXYLIC ACID SALTS, PROCESS FOR PREPARATION AND DOSAGE FORMS
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United States of America Patent
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Issued Date -
Jun 16, 2011
app pub date -
Aug 14, 2009
filing date -
Aug 14, 2008
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Abandoned
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Abstract
The invention particularly discloses a process for preparing aryl alkyl carboxylic acid salts by preparing aqueous alkali solution, adding aryl alkyl carboxylic acid to said alkali solution at a temperature ranging from 4° to 121° C. for obtaining a clear solution, preferably by heating and/or stirring and concentrating and cooling to obtain aryl alkyl carboxylic acid salt The invention therefore discloses solid oral dosage forms and compositions of aryl alkyl carboxylic acid salts which are free of organic solvent/so. The solid oral dose compositions of aryl alkyl carboxylic acid salts of the invention are prepared in situ from aryl alkyl carboxylic acids and bases to obtain aryl acid alkyl carboxylic acid sails in crystalline/powder form with or without the use of pharmaceutical excipients.
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